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Ngurangan Bore flange bal klep, bahan stainless steel, Class300 # flange tipe RF
2021-05-21Ngurangan Bore flange bal klep, bahan stainless steel, Class300 # flange tipe RF
SAHAJA -
Fitur struktural klep bal trunnion DBB
2021-05-17Double cut-off and relief design of DBB trunnion ball valve
SAHAJA
