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发明名称
Disk valve water lock for pulp machines
摘要
申请公布号
US1907206(A)
申请公布日期
1933.05.02
申请号
US19310540156
申请日期
1931.05.26
申请人
BIRDSBORO STEEL FOUNDRY & MACHINE COMPANY
发明人
LAUSSUCQ HENRI P. L.
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
主权项
地址
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