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经营范围
发明名称
Pressure controlling device for pulp producing apparatus and the like
摘要
申请公布号
US2710726(A)
申请公布日期
1955.06.14
申请号
US19510242156
申请日期
1951.08.16
申请人
AMERICAN DEFIBRATOR INC.
发明人
MESSING HJALMAR S.
分类号
D21D1/30
主分类号
D21D1/30
代理机构
代理人
主权项
地址
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