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ʱ: 2010-10-6 [6191]

׼׼GB12232-89 ͨ÷ŷբ

GB12233-89 ͨ÷ƽֹʽֹط

GB12234-89 ͨ÷ŷͶԺͭբ

GB12235-89 ͨ÷ŷӸƽֹʽֹط

GB12236-89 ͨ÷Ÿʽֹط

GB12237-89 ͨ÷ŷͶԺӸ

GB12238-89 ͨ÷ŷͶԼӵ

GB12241-89 ȫһҪ

GB12242-89 ȫ鷽

GB12243-89 ֱغʽȫ

GB12244-89 ѹһҪ

GB12245-89 ѹ鷽

GB/T13932-92 ͨ÷ʽֹط

GB/T15185-94 ƺͭ

JB309-75 բ

JB311-75 ֹط

JB1761-91

JB/T1762-92 ŽṹҪذߴ

JB2202-77 ʽȫ

JB2203-77 ʽȫṹ

JB2205-77 ѹṹ

JB2206-77 ѹ

JB2311-78 򷧼

JB2766-92 PN16.0~32.0MPAѹŽṹ

JB/T5299-91 ͨ÷Һصʽֹط

JB/T5300-91 ͨ÷Ų

JB/T6438-92 ܷӻѺҪ

JB/T6439-92 ѹּŷ̽˼

JB/T6440-92 ѹּ

JB/T6441-92 ѹðȫ

JB/T6495-92 ŽṹҪբ(򷧰)TͲ۳ߴ

JB/T6496-92 ŽṹҪϺߴ

JB/T6497-92 ŽṹҪط˶˲ߴ

JB/T6498-92 ŽṹҪط뷧Ӳ۳ߴ

JB/T6899-93 ŵͻ

JB/T6900-93 ۷

JB/T6901-93 ʽ۾

JB/T6902-93 ּҺ͸鷽

JB/T6903-93 Ŷ͸ּ鷽

JB/T6904-93 ƿļ

JB/T7248-94 õ¸

JB/T7744-95 ܷӻѺúϽĩ

JB/T7745-95

JB/T7746-95 ͸ַ

JB/T7747-95 νֹ

JB/T7748-95 ȺͲⶨ

JB/T7749-95 ·ż

JB/T7927-95 ּҪ

JB/T7928-95 ͨ÷ŹҪ

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