Flanged tube or the like and method of making same
United States Patent 1595564

Inventors:
Fritz, Neuhaus
Publication Date:
08/10/1926
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Assignee:
BORSIG GMBH
Primary Class:
285/416
Other Classes:
228/178, 228/170, 285/382, 72/370.110, 72/362
International Classes:
B21D19/00