Improvements in prepayment telephone apparatus,申请号GB19360018398-传众专利搜索

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发明名称	Improvements in prepayment telephone apparatus
摘要
申请公布号	GB462217(A)	申请公布日期	1937.03.04
申请号	GB19360018398	申请日期	1936.07.02
申请人	LOUIS VANDEN BOSSCHE;VICTOR VERHEYDEN	发明人
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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