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发明名称
Verfahren zur Verminderung der Wasseraufnahmefaehigkeit von Papier
摘要
申请公布号
DE752308(C)
申请公布日期
1952.10.13
申请号
DE1938S134441D
申请日期
1938.10.28
申请人
SIEMENS-SCHUCKERTWERKE A. G.
发明人
BOESCHE HERMANN DR. PHIL.
分类号
D21H11/20;D21H17/11
主分类号
D21H11/20
代理机构
代理人
主权项
地址
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