PIPE INSERTION METHOD AND APPARATUS,申请号JP19760046783-传众专利搜索

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发明名称	PIPE INSERTION METHOD AND APPARATUS
摘要
申请公布号	JPS52130111(A)	申请公布日期	1977.11.01
申请号	JP19760046783	申请日期	1976.04.24
申请人	NIPPON SHISUI KOUGIYOU KK	发明人	OSADA GENJIROU
分类号	E21B7/26;E02F5/18;E21B11/00	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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