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发明名称
Cushion underframe
摘要
申请公布号
US2220101(A)
申请公布日期
1940.11.05
申请号
US19380196890
申请日期
1938.03.19
申请人
CARDWELL-WESTINGHOUSE COMPANY
发明人
HALL JOSEPH M.
分类号
B61G9/12
主分类号
B61G9/12
代理机构
代理人
主权项
地址
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