F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
116/77
F16K 37/00 (2006.01)
Patent
CA 1092448
ABSTRACT OF THE DISCLOSURE An indicator to show that a pressure relief device has operated. The indicator of the invention com- prises a flexed spring which is released to move to an upright position when the pressure relief valve is caused to operate.
286653
Fetherstonhaugh & Co.
Qualitrol Corporation
LandOfFree
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