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发明名称
Acoustical material
摘要
申请公布号
US2357560(A)
申请公布日期
1944.09.05
申请号
US19410406230
申请日期
1941.08.09
申请人
TAFORO JR FRANK J
发明人
JR. FRANK J. TAFORO,
分类号
E04B1/82;E04B1/84
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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