According to one aspect of the present invention, a disk portion installed on the shaft, a plurality of blade portions installed on the disk portion, a front platform member installed on the disk portion, and the front platform member installed on the disk portion and a rear platform member fixed to each other, wherein the front platform member includes a ring-shaped front platform installation part installed on the disk part, and a plurality of blade accommodating grooves for accommodating a portion of the blade part, and the front platform installation part and a front flow path integrally connected to the unit, wherein the rear platform member includes a ring-shaped rear platform installation unit installed on the disk unit, and a plurality of blade receiving grooves for accommodating the other parts of the blade unit, the rear platform There is provided a fan blade structure including a rear flow path unit integrally connected with the installation unit.
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