Method and apparatus for making hinge joints,申请号US19410372802-传众专利搜索

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发明名称	Method and apparatus for making hinge joints
摘要
申请公布号	US2287287(A)	申请公布日期	1942.06.23
申请号	US19410372802	申请日期	1941.01.02
申请人	BOLTZ FRED S	发明人	BOLTZ FRED S.
分类号	A47G5/00;D06F57/08;E06B9/11	主分类号	A47G5/00
代理机构		代理人
主权项
地址

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