GOST R 54791-2011 Gas welding equipment used in welding cutting and allied processes Pressure regulators and pressure regulators with flow-metering devices for manifold systems and.pdf

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1、 , 300 (30 )ISO 7291:2010Gas welding equipment Pressure regulators for manifold systems used in welding,cutting and allied processes up to 30 MPa (300 bar)(MOD)ISO 2503:2009Gas welding equipment Pressure regulators and pressure regulators with flow-meteringdevices for gas cylinders used in welding,

2、cutting and allied processesup to 300 bar (30 MPa)(MOD) 547912011 27 2002 . 184- , 1.02004 . 1 - - . . ( . .), (), (, . ) -, 42 364 3 13 2011 . 1035-4 7291:2010 . , , - 30 (300 ) (ISO 7291:2010 Gas weldingequipment Pressure regulators for manifold systems used in welding, cutting and allied processe

3、s up to30 (300 bar) 2503:2009 . - , , - 300 (30 ) (ISO 2503:2009 Gas welding equipment Pressure regulators and pressureregulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to300 bar (30 MPa). , . - 5 - , - . () . - , , 2012 , - - II 5479120111 12 1

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