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发明名称
Vinyl resin phonograph record
摘要
申请公布号
US2335986(A)
申请公布日期
1943.12.07
申请号
US19400356499
申请日期
1940.09.12
申请人
CARBIDE AND CARBON CHEMICALS CORPORATION
发明人
YNGVE VICTOR
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
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地址
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