WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS. GROUP AL. ALLOY L-3052 (AL 99,5 E)
锻造铝和铝合金 铝合金L-3052组（铝99,5 E）

1979-05-15

WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS. GROUP: AL-SI. ALLOY L-3531. AL-6SIMG
锻造铝和铝合金 组:AL-SI 合金L-3531 AL-6SIMG

1982-03-15

WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS. GROUP: AL-SN ALLOY L-3911 AL-6SNSI
锻造铝和铝合金 组:AL-SN合金L-3911 AL-6SNSI

1984-06-15

WROUGHT ALUMINIUM AND ALUMINIUM ALLOYS. GROUP: AL-SN. ALLOY L-3921 AL-20SN
锻造铝和铝合金 组:AL-SN L-3921铝-20SN合金

1983-03-15

WROUGHT MAGNESIUM ALLOYS. GROUP MG-AL. ALLOY L-6110 MG-3 AL 1 ZN.
锻造镁合金 MG-AL组合金L-6110 MG-3 AL 1 ZN

1976-04-15