{{Disambiguation}}
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'''Type 45''' may refer to:
[[File:Koishikawa Arsenal Siamese Mauser Type 45.jpg|thumb|right|Koishikawa/Navy Arms 'Siamese' Mauser Type 45]]
[[File:Missing imagesType 45.jpg|thumb|right|Type 45 bayonet]]
* A '''[[weapon]]''': The [[Koishikawa/Navy Arms 'Siamese' Mauser Type 45]], a [[.45-70 Government]] conventional rifle