一般(general)

woocommerce_process_product_meta
woocommerce_product_options_general_product_data

関連商品(linked Products)

woocommerce_process_product_meta
woocommerce_product_options_related

バリエーション属性(variable attributes)

woocommerce_save_product_variation
woocommerce_product_after_variable_attributes
woocommerce_available_variation