AWWA standard for steel pipe flanges for waterworks service-sizes 4 in. through 144 in
American National Standards Institute., American Water Works Association年:
1986
出版社:
American Water Works Association
言語:
english
ページ:
40
シリーズ:
AWWA C207
ファイル:
PDF, 522 KB
IPFS:
,
english, 1986