Fremgangsmaade til Fremstilling af et lydisolerende Materiale.,申请号DKD46749-传众专利搜索

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发明名称	Fremgangsmaade til Fremstilling af et lydisolerende Materiale.
摘要
申请公布号	DK46749(C)	申请公布日期	1933.01.09
申请号	DKD46749	申请日期	1931.03.14
申请人	FIRMAET WALDEMAR OELSNER & CO.	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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