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Jansen mastoid retractor 扬森氏乳突自动露钩
Andrew's mastoid retractor 安德鲁乳突牵开器
Thorne's mastoid retractor 索纳乳突牵开器
Allport's mastoid retractor 奥尔波特乳突牵开器
Nolteniu's mastoid retractor 诺尔登尼乳突牵开器
Langenbeck's mastoid retractor 兰根贝克乳突拉钩
self-retaining mastoid retractor 乳突自持牵开器
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