| 摘要 |
A duplexer for microwave signals that requires no system of settings by screws. The duplexer includes two tunnels, each having a longitudinal passage and compartments demarcated by transversal partition walls. The compartments, the longitudinal passages and the common part are hollowed out in the plane upper surface of a monolithic block. The tunnels are closed on the top by a lid that adheres uniformly to the plane surface.
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