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http://www.google.ca/patents/US674379?utm_source=gb-gplus-share
Patent US674379 - METALLIC TRUSS FOR WOVEN-WIRE MATTRESSES AND METALLIC BEDSTEADS
METALLIC TRUSS FOR WOVEN-WIRE MATTRESSES AND METALLIC BEDSTEADS
CHARLES H. HARD et al
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Patent number
: 674379
Filing date
: 8 Mar 1900
Issue date
: 21 May 1901
Inventors
:
CHARLES H. HARD
,
CHARLES H. HARD
Current U.S. Classification
:
5/279.1
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