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发明名称
Flusher
摘要
申请公布号
US1941065(A)
申请公布日期
1933.12.26
申请号
US19330652209
申请日期
1933.01.17
申请人
SAM WILLIAMSON
发明人
WILLIAMSON SAM
分类号
E03C1/306
主分类号
E03C1/306
代理机构
代理人
主权项
地址
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