Perfectionnements apportés aux boutons en deux parties,申请号FRD806665-传众专利搜索

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发明名称	Perfectionnements apportés aux boutons en deux parties
摘要
申请公布号	FR806665(A)	申请公布日期	1936.12.22
申请号	FRD806665	申请日期	1936.05.22
申请人		发明人	KAREL VESELY
分类号	A44B1/36	主分类号	A44B1/36
代理机构		代理人
主权项
地址

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