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经营范围
发明名称
Purification of acetylene
摘要
申请公布号
US1973840(A)
申请公布日期
1934.09.18
申请号
US19310541551
申请日期
1931.06.01
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
ZOBEL FRIEDRICH;REICH HANS
分类号
C07C7/177
主分类号
C07C7/177
代理机构
代理人
主权项
地址
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