AWWA standard [for] power-actuating devices for valves and slide gates
American National Standards Institute., American Water Works AssociationTahun:
2003
Edisi:
Rev
Penerbit:
American Water Works Association
Bahasa:
english
Halaman:
44
Nama seri:
ANSI/AWWA (American Water Works Association), C540-02
File:
PDF, 1.78 MB
IPFS:
,
english, 2003