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发明名称
Improvements in gas pressure regulators
摘要
申请公布号
GB361543(A)
申请公布日期
1931.11.26
申请号
GB19300031732
申请日期
1930.10.22
申请人
GAWA PATENTVERWALTUNGS AKTIENGESELLSCHAFT
发明人
分类号
G05D16/06
主分类号
G05D16/06
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