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发明名称
Method of impregnating materials
摘要
申请公布号
US1998100(A)
申请公布日期
1935.04.16
申请号
US19280292722
申请日期
1928.07.14
申请人
NATIONAL COLD STEAM COMPANY
发明人
SHEPHERD JOHN E.;YORK RAYMOND D.
分类号
B27K3/02;C04B41/45
主分类号
B27K3/02
代理机构
代理人
主权项
地址
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