Combination outrigger and front leg extension,申请号US19600011027-传众专利搜索

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发明名称	Combination outrigger and front leg extension
摘要
申请公布号	US3156328(A)	申请公布日期	1964.11.10
申请号	US19600011027	申请日期	1960.02.25
申请人	BENDER EMIL A	发明人	BENDER EMIL A.
分类号	E21B15/00	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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