ALEX ARCIGA

This plugin adds a “Duplicate Attribute” page under Products in the WordPress admin, allowing you to:
<ul>
<li>Duplicate WooCommerce global product attributes</li>
<li>Copy all attribute settings (name, slug, type, order by, visibility)</li>
<li>Copy all attribute terms in the same order</li>
<li>Copy all term meta (e.g. color preview codes, custom fields)</li>
<li>Preserve parent/child hierarchy for terms</li>
</ul>
Perfect if you need to quickly replicate existing attribute taxonomies for new products or stores.
<h3>License</h3>
This plugin is licensed under the GPL v2 or later. 
You are free to use, modify, and distribute it.

Duplicate Attribute

Duplicate WooCommerce global product attributes including all terms, term order, and term meta (like color previews).

علی زارعی

Create a new default attributes 
Add the attributes 
load group in added in new product page.
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WooCommerce Load Group Attributes Product

افزونه ی بسیار کاربردی که واقعا تو زمان صرفه جویی میکنه

افزونه کاربردی

Define default attributes to be automatically added in WooCommerce new product page

Duplicate Attribute vs WooCommerce Load Group Attributes Product