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Wada Masami

Hitachi Construction Machinery

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Publication

Featured researches published by Wada Masami.

Archive | 1984

Rock drilling bit

Terada Kimihiko; Baba Takekazu; Ookouchi Masayuki; Ajiro Shiyuuichi; Wada Masami; Ishikawa Yasuaki

Archive | 1981

BIT FOR VERTICAL HOLE EXCAVATION

Ishikawa Yasuaki; Ajiro Shiyuuichi; Wada Masami

Archive | 1984

OBLIQUE HOLE DRILLING MACHINE

Ajiro Shiyuuichi; Wada Masami

Archive | 1982

VERTICAL SHAFT EXCAVATING BIT

Wada Masami; Ajiro Shiyuuichi; Ishikawa Yasuaki

Archive | 1980

SWIVEL JOINT FOR EXCAVATING BOTH HARD CLAY AND SOFT CLAY

Kusumi Hiroshi; Ishikawa Yasuaki; Wada Masami

Archive | 1983

Boring head for a shaft-boring machine

Ishikawa Yasuaki; Ajiro Shuichi; Wada Masami

Archive | 1983

CUTTER HEAD OF VERTICAL HOLE BORING MACHINE

Wada Masami; Ajiro Shiyuuichi; Ishikawa Yasuaki

Archive | 1983

APPARATUS FOR DETECTING COMPLETION OF PIT BOTTOM OF DRILLING APPARATUS

Ajiro Shiyuuichi; Wada Masami

Archive | 1983

EXCAVATION-DIAMETER VARIABLE TYPE PIT EXCAVATING BIT

Wada Masami; Ishikawa Yasuaki; Izumiyama Hatsutarou

Archive | 1980

SWIVEL JOINT FOR EXCAVATION

Kusumi Hiroshi; Wada Masami

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Ishikawa Yasuaki

Hitachi Construction Machinery

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Ajiro Shuichi

Hitachi Construction Machinery

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