Method and machine for constructing shafts,申请号US19880273368-传众专利搜索

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发明名称	Method and machine for constructing shafts
摘要
申请公布号	US5022789(A)	申请公布日期	1991.06.11
申请号	US19880273368	申请日期	1988.11.17
申请人	SHIMIZU CONSTRUCTION CO., LTD.	发明人	MIYAZAKI, AKIRA;KIKUCHI, YUICHI;OHARA, YOSHIYUKI;FUJINAGA, TOMOSBURO;KAWATA, TAKASHI;MIZUTANI, FUMITOSHI;HIDA, TSUGIO;SHIMAZAKI, SHIROYASU
分类号	E21D1/06;E21D5/04;E21F13/04	主分类号	E21D1/06
代理机构		代理人
主权项
地址

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