Cranes; bottom blocks; sealing covers for type B rope pulleys with deep groove ball bearing and internal sleeve
起重机；底块；带深沟球轴承和内套筒的B型绳轮密封盖

1982-07-01

Cranes; bottom blocks; type C rope pulleys with deep groove ball bearing, without internal sleeve
起重机；底块；C型绳轮 带深沟球轴承 无内套筒

1982-07-01

Cranes; bottom blocks; internal sleeves and spacer sleeves for type B rope pulleys with deep groove ball bearing and internal sleeve
起重机；底块；带深沟球轴承和内套筒的B型绳轮的内套筒和隔套

1982-07-01

Cranes; bottom blocks; sealing covers for type C rope pulleys with deep groove ball bearing, without internal sleeve
起重机；底块；带深沟球轴承的C型绳轮密封盖 无内套筒

1982-07-01

Cranes; bottom blocks; spacer sleeves for type C rope pulleys with deep groove ball bearing, without internal sleeve
起重机；底块；带深沟球轴承的C型绳轮用隔套 无内套

1982-07-01