METHOD OF SHOT-HOLE LOADING,申请号USD3590738-传众专利搜索

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发明名称	METHOD OF SHOT-HOLE LOADING
摘要
申请公布号	US3590738(A)	申请公布日期	1971.07.06
申请号	USD3590738	申请日期	1967.12.07
申请人	SHELL OIL CO.	发明人	JOHNSTON E. HOLZMAN
分类号	E21B7/00;F42D1/10	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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