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经营范围
发明名称
A process for hardening artificial tubular products produced from animal fibrous material
摘要
申请公布号
GB480971(A)
申请公布日期
1938.03.03
申请号
GB19360027953
申请日期
1936.10.14
申请人
NATURIN G.M.B.H.
发明人
分类号
A22C13/00;B24D3/08;D01C3/00
主分类号
A22C13/00
代理机构
代理人
主权项
地址
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