PREFORMED PRODUCT FOR PROTECTING AND COATING FIELD JOINTS OF PIPES AND METHOD OF APPLICATION,申请号CAD604905-传众专利搜索

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发明名称	PREFORMED PRODUCT FOR PROTECTING AND COATING FIELD JOINTS OF PIPES AND METHOD OF APPLICATION
摘要
申请公布号	CA604905(A)	申请公布日期	1960.09.13
申请号	CAD604905	申请日期
申请人	FRANK E. MCNULTY;JOHN R. HOPKINS	发明人	JOHN R. HOPKINS;FRANK E. MCNULTY
分类号		主分类号
代理机构		代理人
主权项
地址

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