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申请公布号:DE2453598(C2)

申请号:DE19742453598

申请日期:1974.11.12

申请公布日期:1984.05.17

申请人:
TEKKEN KENSETU CO., LTD., TOKYO, JP

发明人:YAMAZAKI, HIRONOBU, KASHIWA, CHIBA, JP;KUBOTA, REIZO, TOKYO, JP;UCHIDA, YOSHIAKI, ICHIKAWA, CHIBA, JP;KASUYA, TARO, URAWA, SAITAMA, JP;SEKI, NORIKAZU, CHIBA, JP

分类号:E21B21/08;E21D9/087;E21D9/13;G01F1/74;G01F1/86;G01N15/06;(IPC1-7):G01F1/76;E21B45/00

主分类号:E21B21/08

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