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Archive | 1985

SCHLAUCHFOERMIGES AUSKLEIDUNGSMATERIAL FUER ROHRLEITUNGEN

Ohtsuga Hisao; Morinaga Akio; Sakaguchi Yoichi; Hyodo Masakatsu; Yagi Isaburo


Archive | 1984

SCHLAUCHFOERMIGES AUSKLEIDUNGSMATERIAL FUER ROHRLEITUNGEN, INSBESONDERE MIT NICHT GERADEN ABSCHNITTEN

Morinaga Akio; Sakaguchi Yoichi; Hyodo Masakatsu; Yagi Isaburo


Archive | 1985

RESIN CONVEYING PIG FOR REPAIRING PIPE JOINT PART OF EXISTING PIPE

Morinaga Akio; Saitou Isao; Nakagawa Toshio; Ike Nobukatsu; Ootsuka Hisao; Hayashi Mitsutoshi


Archive | 1990

LINING METHOD OF DUCT LINE, AND MEMBER AND DEVICE FOR FIXING END OF LINING MATERIAL THEREFOR

Kaneda Shigeo; Morinaga Akio; Imoto Takayoshi


Archive | 1987

LINING OF PIPELINE

Morinaga Akio; Hyodo Masakatsu; Nishimoto Tomiya; Sakuragi Hiroyuki; Onishi Shinji


Archive | 1992

PROVIDING A LINING TO THE INSIDE OF PIPE TO BE ARRANGED

Morinaga Akio; Saito Isao; Ito Takanori


Archive | 1985

ANORDNUNG ZUM REPARIEREN VON VERBINDUNGEN IN UNTERIRDISCH VERLEGTEN LEITUNGEN

Morinaga Akio; Hayashi Mitsutoshi; Koga Motoyuko


Archive | 1989

PARACHUTE CONDUCTION CONNECTING METHOD OF STEEL BELT PULLING PIG

Morinaga Akio; Saito Isao; Ike Nobukatsu; Takeuchi Kazutada


Archive | 1987

LINING OF PIPELINE LAID ON WATER BOTTOM

Morinaga Akio; Hyodo Masakatsu; Nishimoto Tomiya; Sakuragi Hiroyuki; Onishi Shinji


Archive | 1987

METHOD OF CLEANING DUCT

Morinaga Akio; Manabe Nobuyuki; Hyodo Masakatsu

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