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发明名称
Verfahren zur Gewinnung von Harz aus Baeumen
摘要
申请公布号
DE712267(C)
申请公布日期
1941.10.15
申请号
DE1938H157491D
申请日期
1938.10.28
申请人
DR. MAX HESSENLAND
发明人
HESSENLAND DR. MAX
分类号
A01G23/10
主分类号
A01G23/10
代理机构
代理人
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地址
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