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发明名称
Noiseless and antislipping pad for bedsprings
摘要
申请公布号
US2080068(A)
申请公布日期
1937.05.11
申请号
US19340740439
申请日期
1934.08.18
申请人
RALPH WEISMAN
发明人
WEISMAN RALPH
分类号
A47C23/057
主分类号
A47C23/057
代理机构
代理人
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地址
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