The releasing sucker rod overshot is a special tool used to catch sucker rods broken in tubings or casings. In case the fish is stuck seriously and can not be lifted out, the tool can be
unscrewed safely from the fish. The tools are available in A type (with basket grapple)and B type (with spiral grapple).
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whatsapp:+8619930560089 电子邮件:tiffany@hbhlbio.com SU-250 丙酸睾酮 30mg 苯丙酸睾酮 60mg 异己酸睾酮 60mg 癸酸 睾酮 100mg 10毫升 SU-400 丙酸睾酮 48mg 苯丙酸睾酮 96mg异己酸睾酮 96mg 癸酸 睾酮 160mg 10毫升 测试混合-325 丙酸 ...