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发明名称
Rider brush for plan sifters
摘要
申请公布号
US1801249(A)
申请公布日期
1931.04.14
申请号
US19300439242
申请日期
1930.03.26
申请人
HEINRICH STAMM
发明人
STAMM HEINRICH
分类号
B07B1/52
主分类号
B07B1/52
代理机构
代理人
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地址
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