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Article support
摘要
申请公布号
US2364003(A)
申请公布日期
1944.11.28
申请号
US19430472899
申请日期
1943.01.19
申请人
SCRUGGS WILLIAM E
发明人
SCRUGGS WILLIAM E.
分类号
A47B57/26
主分类号
A47B57/26
代理机构
代理人
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