FED STD H28 9 联邦标准 联邦服务螺纹标准(第9节)气瓶阀门出口和进口螺纹(1978年8月31日)

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FED-sTl)-H28/9
31 August 1978
I
Superseding
NBS Handbook H28 (1957)
Part 11,
Section IX
FEDERALSTANDARD
SCREW-THREADSTANDARDSFOR FEDERALSERVICES
SECTION9
GAS CYLINDERVALVEOUTLET
AND IiiLETTHREADS
This standard was approved by the Commissioner Federal
Supply Service, General Services Administration, for
the use of all Federal agencies.
-.—- _
...
. . . .*—
Orders for this publication are to be placed with General
Services Administration, acting as an agent for the Super-
intendent of Documents.
Single copies of this standard are
available at the GSA Business Service Centers in Boston, New
York, Atlanta, Chicago,
Kansas City, MO, Fort Worth, San
Francisco, Los Angeles, and Seattle, or from the General
Services Administration, Specifications and Consumer Infor-
mation Distribution Branch,
Building 197, Washington Navy
Yard, Washington, DC 20407.
FSC THDS
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