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发明名称	Acetylenentwickler
摘要
申请公布号	DE521646(C)	申请公布日期	1931.03.24
申请号	DED521646D	申请日期	1930.06.22
申请人	PAUL LASKE	发明人
分类号	C10H1/00	主分类号	C10H1/00
代理机构		代理人
主权项
地址

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