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发明名称
Verfahren zur Herstellung einer Membran, insbesondere fuer Lautsprecher
摘要
申请公布号
DE610452(C)
申请公布日期
1935.03.11
申请号
DE1932H131565D
申请日期
1932.04.26
申请人
JESSE BARNUM HAWLEY;JESSE BARNUM HAWLEY
发明人
分类号
H04R31/00
主分类号
H04R31/00
代理机构
代理人
主权项
地址
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