| 摘要 |
A multipole cassette assembly having a center pole cassette assembly includes a first side and a second side, a first outer pole cassette assembly having a first side and a second side, a first spacer interlocking receptacle positioned on one of the first side of the center pole cassette assembly and the second side of the first outer pole cassette assembly, and a first interlocking spacer positioned on one of the first side of the center pole cassette assembly and the second side of the first outer pole cassette assembly, wherein the first interlocking spacer is engaged with the first spacer interlocking receptacle. A method for maintaining spacing between poles of the multipole cassette assembly includes providing an interlocking spacer on the first cassette assembly, providing an interlocking receptacle on a second cassette assembly, and engaging the interlocking spacer with the interlocking receptacle.
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