| 摘要 |
Microwaves blocker apparatus ( 1 ) installed at the entrance, front part and also at the exit, hinder part, of an opening microwaves oven ( 5 ), turning round the oven's entrance and exit allowing free passage ( 6 ) of materials to be processed, which dimension and shape follow the format of the oven where it is installed, being such apparatus still surrounded by a metallic material ( 3 ).
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