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เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS H 3270:2018
Copper beryllium alloy, phosphor bronze and nickel silver rods, bars and wires
2018
15
JISh 2022 Std.
This Standard specifies the expanded copper beryllium alloy, phosphor bronze and nickel silver rods and bars having a round/regular hexagonal/rectangular section, and wires having a round/regular hexagonal/square/rectangular section.