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发明名称
Improvements in or relating to chimney sweeping appliances and equipment
摘要
申请公布号
GB490235(A)
申请公布日期
1938.08.11
申请号
GB19370004218
申请日期
1937.02.12
申请人
HYGIENIC CHIMNEY CLEANERS (PARENT) LIMITED;ALFRED HARRY CHURCH
发明人
分类号
F23J3/02
主分类号
F23J3/02
代理机构
代理人
主权项
地址
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