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发明名称
Sound-deadening composition
摘要
申请公布号
US2221499(A)
申请公布日期
1940.11.12
申请号
US19370173460
申请日期
1937.11.08
申请人
J. W. MORTELL COMPANY
发明人
TORRI JOSEPH A.
分类号
C04B28/26;E04B1/74;E04B1/82;G10K11/16
主分类号
C04B28/26
代理机构
代理人
主权项
地址
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