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经营范围
发明名称
Refrigerant mixture
摘要
申请公布号
US2031087(A)
申请公布日期
1936.02.18
申请号
US19330661789
申请日期
1933.03.20
申请人
ZELLHOEFER GLENN F
发明人
ZELLHOEFER GLENN F.
分类号
C09K5/04
主分类号
C09K5/04
代理机构
代理人
主权项
地址
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