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发明名称
Cloth board
摘要
申请公布号
US1975906(A)
申请公布日期
1934.10.09
申请号
US19330701749
申请日期
1933.12.11
申请人
STEWART CHARLES A
发明人
STEWART CHARLES A.
分类号
B65H75/06
主分类号
B65H75/06
代理机构
代理人
主权项
地址
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