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Title:
Tamper proof sprinkler head
United States Patent 2519704
Inventors:
Rowley, Arthur C.
Application Number:
US12983949A
Publication Date:
08/22/1950
Filing Date:
11/28/1949
Assignee:
GLOBE AUTOMATIC SPRINKLER COMP
Primary Class:
International Classes:
A62C37/10
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US Patent References:
2291813Sprinkler system1942-08-04
1801569Automatic sprinkler1931-04-21